Inspiron 24
3000 Series
Computer Model: Inspiron 24–3455
Regulatory Model: W12C
Regulatory Type: W12C001

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   Summary of Contents for Dell Inspiron 24 3000 series

  • Page 1: Service Manual

    Inspiron 24 3000 Series Service Manual Computer Model: Inspiron 24–3455 Regulatory Model: W12C Regulatory Type: W12C001...

  • Page 2

    WARNING: A WARNING indicates a potential for property damage, personal injury, or death. Copyright © 2015 Dell Inc. All rights reserved. This product is protected by U.S. and international copyright and intellectual property laws. Dell and the Dell logo are trademarks ™...

  • Page 3: Table Of Contents

    Contents Before working inside your computer........8 ....................8 Before you begin ....................9 Safety instructions ..................10 Recommended tools After working inside your computer........11 Technical overview..............12 ................12 Inside view of your computer Removing the stand assembly..........14 ......................14 Procedure Replacing the stand assembly..........16 ......................16 Procedure Removing the back cover............17...

  • Page 4: Table Of Contents

    Removing the hard drive............24 .....................24 Prerequisites ......................24 Procedure Replacing the hard drive............27 ......................27 Procedure ....................27 Post-requisites Removing the memory module..........28 ....................28 Prerequisites ......................28 Procedure Replacing the memory module..........30 ......................30 Procedure ....................31 Post-requisites Removing the wireless card............

  • Page 5: Table Of Contents

    Removing the fan..............39 .....................39 Prerequisites ......................39 Procedure Replacing the fan...............41 ......................41 Procedure ....................41 Post-requisites Removing the coin-cell battery..........42 .....................42 Prerequisites ......................43 Procedure Replacing the coin-cell battery..........44 ......................44 Procedure ....................44 Post-requisites Removing the microphone............45 .....................45 Prerequisites ......................

  • Page 6: Table Of Contents

    Removing the system board............ 51 ..................... 51 Prerequisites ......................51 Procedure Replacing the system board............54 ......................54 Procedure ....................55 Post-requisites Removing the VESA-mount bracket........56 .....................56 Prerequisites ......................56 Procedure Replacing the VESA-mount bracket........58 ......................58 Procedure ....................58 Post-requisites Removing the speaker cover...........59 .....................59...

  • Page 7: Table Of Contents

    Removing the control-buttons board........65 .....................65 Prerequisites ......................65 Procedure Replacing the control-buttons board........67 ......................67 Procedure ....................67 Post-requisites Removing the display assembly..........68 ....................68 Prerequisites ......................69 Procedure Replacing the display assembly..........73 ......................73 Procedure ....................73 Post-requisites Removing the rubber feet............75 .....................75 Prerequisites...

  • Page 8: Before You Begin

    Before working inside your computer CAUTION: To avoid damaging the components and cards, handle them by their edges and avoid touching pins and contacts. NOTE: The images in this document may differ from your computer depending on the configuration you ordered. Before you begin Save and close all open files and exit all open applications.

  • Page 9: Safety Instructions

    CAUTION: You should only perform troubleshooting and repairs as authorized or directed by the Dell technical assistance team. Damage due to servicing that is not authorized by Dell is not covered by your warranty. See the safety instructions that shipped with the product or at dell.com/regulatory_compliance.

  • Page 10: Recommended Tools

    CAUTION: To disconnect a network cable, first unplug the cable from your computer and then unplug the cable from the network device. CAUTION: Press and eject any installed card from the media-card reader. Recommended tools The procedures in this document may require the following tools: •...

  • Page 11: After Working Inside Your Computer

    After working inside your computer CAUTION: Leaving stray or loose screws inside your computer may severely damage your computer. Replace all screws and ensure that no stray screws remain inside your computer. Connect any external devices, peripherals, and cables you removed before working on your computer.

  • Page 12: Technical Overview, Inside View Of Your Computer

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Inside view of your computer control-buttons board hard-drive assembly optical-drive assembly...

  • Page 13

    wireless card memory module system board coin-cell battery VESA-mount bracket speaker cover...

  • Page 14: Removing The Stand Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Using your fingertips, lift the stand cover. Slide and remove the stand cover at an angle away from the stand.

  • Page 15

    Lift the stand off the back cover. stand stand bracket screws (2) back cover...

  • Page 16: Replacing The Stand Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Insert the tabs on the stand bracket with the slots on the back cover to align the screw holes on the stand bracket to the screw holes on the back cover.

  • Page 17: Removing The Back Cover

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Procedure CAUTION: Do not remove the computer cover unless you need to install internal accessories for your computer.

  • Page 18

    Lift the back cover off the computer. display bezel back cover plastic scribe...

  • Page 19: Replacing The Back Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the tabs on the back cover with the slots on the display bezel and snap the back cover into place.

  • Page 20: Removing The Optical Drive

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 21

    Slide the optical-drive assembly out of the optical-drive bay. optical-drive assembly screw power and data cable Carefully pull the optical-drive bezel and remove it from the optical drive. Remove the screw that secures the optical-drive bracket to the optical drive.

  • Page 22

    Remove the optical-drive bracket from the optical drive. screw optical-drive bracket optical drive optical-drive bezel...

  • Page 23: Replacing The Optical Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw hole on the optical-drive bracket with the screw hole on the optical drive.

  • Page 24: Removing The Hard Drive

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. CAUTION: To avoid data loss, do not remove the hard drive while the computer is in sleep or on state.

  • Page 25

    Using your fingertips, slide the hard-drive assembly out of the hard-drive bay. power and data cable hard-drive assembly screw display-assembly base Remove the screws that secure the hard-drive bracket to the hard drive.

  • Page 26

    Remove the hard drive from the hard-drive bracket. screws (3) hard drive hard-drive bracket...

  • Page 27: Replacing The Hard Drive

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Hard drives are fragile. Exercise care when handling the hard drive. Procedure Align the screw holes on the hard-drive bracket with the screw holes on the hard drive.

  • Page 28: Removing The Memory Module

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 29

    Remove the memory module from the memory-module slot. system board securing clips (2) memory module memory-module slot...

  • Page 30: Replacing The Memory Module

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the notch on the memory module with the tab on the memory- module slot.

  • Page 31: Post-requisites

    Slide the memory module firmly into the slot at an angle and press the memory module down until it clicks into place. NOTE: If you do not hear the click, remove the memory module and reinstall it. notch securing clips (2) memory module memory-module slot Post-requisites...

  • Page 32: Removing The Wireless Card

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 33

    Slide the wireless card out of the wireless-card slot. wireless-card bracket antenna cables screw wireless-card slot wireless card system board...

  • Page 34: Replacing The Wireless Card

    After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the notch on the wireless card with the tab on the wireless-card slot.

  • Page 35

    Replace the screw that secures the wireless-card bracket and the wireless card to the system board. antenna cables wireless-card bracket screw wireless card wireless-card slot notch Post-requisites Replace the back cover. Replace the stand assembly.

  • Page 36: Removing The Heat Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. WARNING: The heat sink may become hot during normal operation. Allow sufficient time for the heat sink to cool before you touch it.

  • Page 37

    Lift the heat sink off the system board. system board captive screws (5) heat sink screw display-assembly base...

  • Page 38: Replacing The Heat Sink

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Incorrect alignment of the heat sink can cause damage to the system board and processor. NOTE: The original thermal grease can be reused if the original system board and heat sink are reinstalled together.

  • Page 39: Removing The Fan

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 40

    Lift the fan at an angle off the display-assembly base. fan cable system board screws (2) display-assembly base...

  • Page 41: Replacing The Fan

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Replace the fan at an angle on the display-assembly base. Align the screw holes on the fan with the screw holes on the display- assembly base.

  • Page 42: Removing The Coin-cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. CAUTION: Removing the coin-cell battery resets the BIOS setup program’s settings to default. It is recommended that you note the BIOS setup program’s settings before removing the coin-cell battery.

  • Page 43: Procedure

    Procedure Using a plastic scribe, gently pry out the coin-cell battery out of the battery socket on the system board. system board plastic scribe coin-cell battery...

  • Page 44: Replacing The Coin-cell Battery

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure With the positive-side facing up, insert the coin-cell battery into the battery socket and press down the battery into place.

  • Page 45: Removing The Microphone

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 46

    Disconnect the microphone and camera cable from the microphone board. microphone and camera routing guides cable display bezel display-assembly base microphone board...

  • Page 47: Replacing The Microphone

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the microphone and camera cable to the microphone-board. Slide the microphone board into the slot on the display bezel.

  • Page 48: Removing The Camera

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 49

    Disconnect the microphone and camera cable from the camera module. securing clip camera module microphone and camera cable...

  • Page 50: Replacing The Camera

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Connect the microphone and camera cable to the camera module. Push the tabs on the camera module into the tab on the camera-module slot.

  • Page 51: Removing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 52

    Press the latch and disconnect the display-backlight cable from its connector on the system board. speaker cable touch-control board cable control-buttons board display-backlight cable cable display cable display-assembly base hard-drive cable optical-drive cable hard-drive and optical-drive 10 fan cable power cable microphone and camera cable Remove the screws that secure the system board to the display-assembly...

  • Page 53

    Carefully lift the system board from the inner edge and release the ports from the slots on the display-assembly base. Lift the system board off the display-assembly base. system board slots screws (4) display-assembly base...

  • Page 54: Replacing The System Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. NOTE: Your computer’s Service Tag is stored in the system board. You must enter the Service Tag in the BIOS setup program after you replace the system board.

  • Page 55

    Post-requisites Replace the wireless card. Replace the heat sink. Replace the fan. Replace the back cover. Replace the stand assembly.

  • Page 56: Removing The Vesa-mount Bracket

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 57

    Lift the VESA-mount bracket off the display-assembly base. VESA-mount bracket screws (4) display-assembly base speaker cable routing guides...

  • Page 58: Replacing The Vesa-mount Bracket

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the VESA-mount bracket with the screw holes on the display-assembly base.

  • Page 59: Removing The Speaker Cover

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 60

    Lift the speaker cover off the display bezel. screws (4) speaker cover display-assembly base...

  • Page 61: Replacing The Speaker Cover

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the speaker cover with the screw holes on the display-assembly base and snap the speaker cover into place.

  • Page 62: Removing The Speakers

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 63

    Lift the speakers, along with the speaker cable, off the display bezel. screw tape speaker-cable routing VESA-mount bracket speaker cable rubber grommets (4) speakers (2)

  • Page 64: Replacing The Speakers

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Using the alignment posts and rubber grommets on the display bezel, place the speakers on the display bezel.

  • Page 65: Removing The Control-buttons Board

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 66

    Lift the latch and disconnect the control-buttons board cable from the control-buttons board. latch system board control-buttons board latch cable control-buttons board securing clips (2)

  • Page 67: Replacing The Control-buttons Board

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the control-buttons board cable into the connector on the control- buttons board and press down on the latch to secure the cable.

  • Page 68: Removing The Display

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 69

    Procedure Note the optical drive and hard drive cables' routing and remove the cables from its routing guides on the display-assembly base. routing guides hard-drive cable optical-drive cable display-assembly base...

  • Page 70

    Remove the screws that secure the display-assembly base to the display bezel. screws (19) display-assembly base Release the display-panel base from the tabs on the display bezel. Slide the display cable through the slot on the display-assembly base.

  • Page 71

    Lift the display-assembly base off the display panel. tabs (6) display-assembly base display cable slot...

  • Page 72

    display assembly...

  • Page 73: Replacing The Display Assembly

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Slide the display cable through the slot on the display-assembly base. Slide the tabs on the display bezel into the slots on the display-assembly base.

  • Page 74

    11 Replace the wireless card. 12 Replace the memory module. 13 Replace the hard drive. 14 Replace the optical drive. 15 Replace the back cover. 16 Replace the stand assembly.

  • Page 75: Removing The Rubber Feet

    Before working inside your computer. After working inside your computer, follow the instructions in After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Prerequisites Remove the stand assembly. Remove the back cover.

  • Page 76

    Procedure Remove the screws that secure the rubber feet to the display bezel. Lift the rubber feet off the display bezel. rubber feet (2) screws (2) display bezel...

  • Page 77: Replacing The Rubber Feet

    After working inside your computer. For more safety best practices, see the Regulatory Compliance home page at dell.com/regulatory_compliance. Procedure Align the screw holes on the rubber feet with the screw holes on the display bezel.

  • Page 78

    15 Replace the optical drive. 16 Replace the back cover. 17 Replace the stand assembly.

  • Page 79: Flashing The Bios

    You may need to flash (update) the BIOS when an update is available or when you replace the system board. To flash the BIOS: Turn on the computer. Go to dell.com/support. Click Product Support, enter the Service Tag of your laptop and click Submit.

This manual also for:

Inspiron-24 3452

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